<template>
  <div>
    <el-upload
      class="avatar-uploader"
      :action="uploadUrl"
      :show-file-list="false"
      :on-success="handleAvatarSuccess"
      :on-progress="progress"
      :before-upload="beforeAvatarUpload"
      :data="uploadData"
    >
      <el-avatar v-if="imageUrl" :src="imageUrl" class="avatar"></el-avatar>
    </el-upload>
  </div>
</template>


<script>
import Global from "../js/global";

export default {
  name: "UploadHead",
  props: ['userId'],
  data() {
    return {
      imageUrl: 'https://cube.elemecdn.com/0/88/03b0d39583f48206768a7534e55bcpng.png',
      uploadUrl: Global.SERVER_ADDRESS + '/user/uploadHead',
      uploadData: {
        userId: this.userId
      },
    };
  },
  methods: {
    handleAvatarSuccess(res, file) {
      this.imageUrl = URL.createObjectURL(file.raw);
      this.notification(true, "头像上传成功");
    },
    beforeAvatarUpload(file) {
      const isJPG = file.type === 'image/jpeg';
      const isLt2M = file.size / 1024 / 1024 < 2;

      if (!isJPG) {
        this.$message.error('上传头像图片只能是 JPG 格式!');
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 2MB!');
      }
      return isJPG && isLt2M;
    },
    progress(event, file, fileList) {
      console.log(this.uploadUrl)
      console.log(file)
    }
  }
}
</script>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.avatar-uploader .el-upload:hover {
  border-color: #409EFF;
}

.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}

.avatar {
  width: 100px;
  height: 100px;
  display: block;
}
</style>
